دورية أكاديمية
أعرض في EDS

Intravascular ultrasound imaging in evaluation of aortic stiffness: A proof-of-concept study.

التفاصيل البيبلوغرافية
العنوان: Intravascular ultrasound imaging in evaluation of aortic stiffness: A proof-of-concept study.
المؤلفون: Mileva NB; Cardiology Clinic, 'Alexandrovska' University Hospital, Medical University of Sofia, Bulgaria. nmileva91@gmail.com., Vassilev DI; Cardiology Clinic, 'Alexandrovska' University Hospital, Medical University of Sofia, Bulgaria.
المصدر: Cardiology journal [Cardiol J] 2023; Vol. 30 (2), pp. 221-227. Date of Electronic Publication: 2021 Jan 13.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: Via Medica Country of Publication: Poland NLM ID: 101392712 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1898-018X (Electronic) Linking ISSN: 1898018X NLM ISO Abbreviation: Cardiol J Subsets: MEDLINE
أسماء مطبوعة: Original Publication: Gdańsk : Via Medica
مواضيع طبية MeSH: Vascular Stiffness*, Humans ; Ultrasonography ; Aorta/diagnostic imaging ; Echocardiography/methods ; Ultrasonography, Interventional
مستخلص: Background: Aortic stiffness is a well-known cardio-vascular risk factor. For years, different methods have been studied in the assessment of aortic elastic properties and large arterial stiffness for risk stratification. Herein is an assessment of the role of intravascular ultrasound (IVUS) imaging for the evaluation of aortic elastic properties.
Methods: Intravascular ultrasound imaging of the aorta was performed in 12 patients with transthoracic echocardiography (TTE) and computed tomography (CT) evidence for enlargement of the ascending aorta - diameter ≥ 40.0 mm. Mechanical properties of the aorta were derived from the measured diameters and intra-aortic pressure. Paired samples T-test analyses were performed to determine differences between measurements derived by TTE, CT and IVUS.
Results: Mean values of the calculated elastic properties via IVUS of the ascending aorta were as follows: compliance 0.021 ± 0.02; strain 205 ± 4.3; aortic stiffness index 4.3 ± 0.75; elastic modulus 0.31 ± 0.05. On paired T-test analysis maximum ascending aortic diameter measured by CT aortography and IVUS did not differ significantly (t = -0.19, p = 0.985), but a significant difference between IVUS measurements and TTE derived diameters was found (t = 13.118, p = 0.034). On average, IVUS diameters were 2.3 mm larger than the results acquired by TTE (95% confidence interval: 14.21-17.13).
Conclusions: Intravascular ultrasound examination of the ascending aorta provided larger diameters than the ones collected by means of TTE. However, IVUS measurements did not differ significantly from diameters derived by CT aortography.
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فهرسة مساهمة: Keywords: aortic compliance; aortic stress; intravascular ultrasound
تواريخ الأحداث: Date Created: 20210113 Date Completed: 20230424 Latest Revision: 20230504
رمز التحديث: 20231215
مُعرف محوري في PubMed: PMC10129260
DOI: 10.5603/CJ.a2021.0003
PMID: 33438178
قاعدة البيانات: MEDLINE
الوصف
تدمد:1898-018X
DOI:10.5603/CJ.a2021.0003